130540691 has 2 divisors, whose sum is σ = 130540692. Its totient is φ = 130540690.

The previous prime is 130540681. The next prime is 130540741. The reversal of 130540691 is 196045031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 130540691 - 2²⁶ = 63431827 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (130540681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65270345 + 65270346.

It is an arithmetic number, because the mean of its divisors is an integer number (65270346).

Almost surely, 2^130540691 is an apocalyptic number.

130540691 is a deficient number, since it is larger than the sum of its proper divisors (1).

130540691 is an equidigital number, since it uses as much as digits as its factorization.

130540691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 130540691 is about 11425.4405166716. The cubic root of 130540691 is about 507.2810460765.

The spelling of 130540691 in words is "one hundred thirty million, five hundred forty thousand, six hundred ninety-one".